289339144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 590457600

約数和(自身を除く): 301118456

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 101, 152, 188, 202, 376, 401, 404, 802, 808, 893, 1604, 1786, 1919, 3208, 3572, 3838, 4747, 7144, 7619, 7676, 9494, 15238, 15352, 18847, 18988, 30476, 37694, 37976, 40501, 60952, 75388, 81002, 90193, 150776, 162004, 180386, 324008, 358093, 360772, 716186, 721544, 769519, 1432372, 1539038, 1903547, 2864744, 3078076, 3807094, 6156152, 7614188, 15228376, 36167393, 72334786, 144669572, 289339144]

約数ペア:

[(1, 289339144), (2, 144669572), (4, 72334786), (8, 36167393), (19, 15228376), (38, 7614188), (47, 6156152), (76, 3807094), (94, 3078076), (101, 2864744), (152, 1903547), (188, 1539038), (202, 1432372), (376, 769519), (401, 721544), (404, 716186), (802, 360772), (808, 358093), (893, 324008), (1604, 180386), (1786, 162004), (1919, 150776), (3208, 90193), (3572, 81002), (3838, 75388), (4747, 60952), (7144, 40501), (7619, 37976), (7676, 37694), (9494, 30476), (15238, 18988), (15352, 18847)]